21338230

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4049}}^1$

素因数の和:4104

約数の個数: 32

約数和(自身を含む): 41990400

約数和(自身を除く): 20652170

約数列:

[1, 2, 5, 10, 17, 31, 34, 62, 85, 155, 170, 310, 527, 1054, 2635, 4049, 5270, 8098, 20245, 40490, 68833, 125519, 137666, 251038, 344165, 627595, 688330, 1255190, 2133823, 4267646, 10669115, 21338230]

約数ペア:

[(1, 21338230), (2, 10669115), (5, 4267646), (10, 2133823), (17, 1255190), (31, 688330), (34, 627595), (62, 344165), (85, 251038), (155, 137666), (170, 125519), (310, 68833), (527, 40490), (1054, 20245), (2635, 8098), (4049, 5270)]